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Turnip mosaic virus

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(Redirected from Marmor brassicae)
Turnip mosaic virus
Leaves showing interveinal chlorosis, puckering and distortion.
Virus classification Edit this classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Pisuviricota
Class: Stelpaviricetes
Order: Patatavirales
Family: Potyviridae
Genus: Potyvirus
Species:
Turnip mosaic virus
Synonyms
  • TuMV

Turnip mosaic virus (TuMV) is a Potyvirus of the family Potyviridae that causes diseases in cruciferous plants, among others. The virus is usually spread by 40-50 species of aphids in a non-persistent manner. Infected plants, especially the natural hosts, show symptoms such as chlorotic local lesions, mosaic, mottling, puckering or rugosity. TuMV is a positive-sense single stranded RNA virus, consisting of a non-enveloped, helical capsid that is filamentous and flexuous, with an average length of 720 nm. The TuMV genome is linear and monopartite (single particle). The virus has a thermal inactivation point (TIP) of 62 °C, and longevity in vitro (LIV) of 3–4 days.

Evolution

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This virus probably evolved from a virus of wild orchids in Germany spreading to wild and domestic brassicas.[1] Via Southern Europe it moved to Asia Minor within the last 700 years.

References

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  1. ^ Yasaka R, Fukagawa H, Ikematsu M, Soda H, Korkmaz S, Golnaraghi A, Katis N, Ho SYW, Gibbs AJ, Ohshima K (2017) The timescale of emergence and spread of Turnip Mosaic Potyvirus. Sci Rep 7(1):4240
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